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英国 Rota 有限公司最近研制出一种用于窗用玻璃生产的新型真空设备。当此设施提供真空时,就会在真空设施的特殊的支撑垫板上形
Rota, UK, recently developed a new vacuum for window glass production. When this facility provides vacuum, it will be shaped on a special support plate for the vacuum facility